From 713eb05c8c67a04e9798236a4c4c76f0019425e5 Mon Sep 17 00:00:00 2001
From: Adam Nemet <anemet@apple.com>
Date: Mon, 26 Feb 2018 21:15:51 +0000
Subject: [PATCH] [opt-viewer] Kill parser processes before moving onto
 rendering

The main benefit is that they release the memory they were holding onto.

llvm-svn: 326127
---
 llvm/tools/opt-viewer/optpmap.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/llvm/tools/opt-viewer/optpmap.py b/llvm/tools/opt-viewer/optpmap.py
index ffdcac3..db6b079 100644
--- a/llvm/tools/opt-viewer/optpmap.py
+++ b/llvm/tools/opt-viewer/optpmap.py
@@ -48,6 +48,8 @@ def pmap(func, iterable, processes, should_print_progress, *args, **kwargs):
                                     initargs=(_current, _total,),
                                     processes=processes)
         result = pool.map(_wrapped_func, func_and_args, *args, **kwargs)
+        pool.close()
+        pool.join()
 
     if should_print_progress:
         sys.stdout.write('\r')
-- 
2.7.4